CVE-2017-7921
Hikvision Multiple Products Improper Authentication Vulnerability
- Published
- May 6, 2017
- Updated
- Mar 6, 2026
- Assigning CNA
- icscert
- Evidence observed
- Mar 5, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 100.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.
Sources
23- CVE-2017-7921Exploit
CVE-2017-7921 is a critical vulnerability (CVSS score: 9.8) affecting multiple Hikvision IP camera and DVR models, first disclosed in 2017. It stems from an improper authentication flaw that allows unauthenticated remote attackers to bypass login mechanisms and gain unauthorized access to sensitive system information
- hikvision_probeScanner
Identify hikvision ip and probe for cve-s (CVE-2017-7921, CVE-2022-28171, CVE-2021-36260)
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